diff -up ./PCLConfig.cmake.in.fedora ./PCLConfig.cmake.in
--- ./PCLConfig.cmake.in.fedora	2020-05-29 17:48:55.884924391 -0400
+++ ./PCLConfig.cmake.in	2020-05-29 17:50:25.211139677 -0400
@@ -398,7 +398,7 @@ if(WIN32 AND NOT MINGW)
   get_filename_component(PCL_ROOT "${PCL_DIR}" PATH)
 else()
 # PCLConfig.cmake is installed to PCL_ROOT/share/pcl-x.y
-  get_filename_component(PCL_ROOT "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
+  set(PCL_ROOT "@CMAKE_INSTALL_PREFIX@")
 endif()
 
 # check whether PCLConfig.cmake is found into a PCL installation or in a build tree